Washing machine

Abstract

Disclosed is a washing machine including an outer case, an outer tub disposed in the outer case to receive washing water, a rotational tub rotatably disposed in the outer tub, a pulsator rotating in the rotational tube to generate forced water current, a tub cover formed on an upper portion of the outer tub to guide the washing water to the rotational tub when the rotational tub and/or the pulsator rotate, a net formed on an inner circumference of the tub cover, and a motor for transmitting driving force to the rotational tub and/or the pulsator.

1 . A washing machine comprising: 
 an outer case;    an outer tub disposed in the outer case to receive washing water;    a rotational tub disposed in the outer tub and selectively rotatable;    a pulsator rotating in the rotational tube to generate forced water current;    a tub cover formed on an upper portion of the outer tub to guide the washing water to an inside of the rotational tub when the rotational tub and/or the pulsator rotate;    a net formed inwardly extending from an inner end of the tub cover; and    a motor for transmitting driving force to the rotational tub and/or the pulsator.    
   
   
       2 . The washing machine according to  claim 1 , wherein the net is formed across a space defined by the inner circumference of the tub cover.  
   
   
       3 . The washing machine according to  claim 1 , further comprising an opened space defined between the inner circumference of the tub cover and an outer side of the net.  
   
   
       4 . The washing machine according to  claim 1 , wherein a water supplying hole is formed right above the net.  
   
   
       5 . The washing machine according to  claim 1 , further comprising an electrode sensor formed on an inner end portion of the net, for detecting the laundry contacting the inner end portion of the net.  
   
   
       6 . The washing machine according to  claim 1 , further comprising a protecting member for protecting an inner end of the net.  
   
   
       7 . The washing machine according to  claim 1 , wherein each of meshes formed in the net is a rectangular shape.  
   
   
       8 . The washing machine according to  claim 1 , further comprising a pair of electrode sensors that can be electrically connected to each other when the laundry contacts the electrode sensors, thereby detecting rise of the laundry.  
   
   
       9 . The washing machine according to  claim 1 , further comprising a coating layer for protecting an inner surface of the net.  
   
   
       10 . A washing machine comprising: 
 a case;    an outer tub disposed in the case to receive washing water;    a rotational tub disposed in the outer tub and selectively rotatable;    a pulsator rotating in the rotational tube to generate forced water current;    a tub cover formed on an upper portion of the outer tub;    a net formed inwardly extending from an inner circumference of the tub cover;    an electrode sensor formed on an inner end portion of the net;    a control part for receiving a signal from the electrode sensor when laundry contacts the electrode sensor and determining that the laundry rises; and    a motor controlled by the control part to transmit driving force to the rotational tub and/or the pulsator.    
   
   
       11 . The washing machine according to  claim 10 , wherein the control part determines the rise of the laundry only when receiving a detecting signal generated when the laundry contacts the electrode sensor.  
   
   
       12 . The washing machine according to  claim 10 , wherein the electrode sensor comprises a pair of electrodes and detect current flow only when the laundry simultaneously contacts both the electrodes.  
   
   
       13 . A washing machine comprising: 
 an outer tub for receiving washing water;    a rotational tube rotatably installed in the outer tub;    a tub cover coupled on an upper portion of the outer tub;    a net formed inwardly extending from an inner circumference of the tub cover to prevent laundry from rising above the tub cover by the washing water; and    a protecting cover for protecting an inner surface of the net.    
   
   
       14 . The washing machine according to  claim 13 , wherein the protecting cover is of an elastic material.  
   
   
       15 . The washing machine according to  claim 13 , wherein the protecting cover is of an elastic material and is elastically coupled to the inner end of the net.  
   
   
       16 . The washing machine according to  claim 13 , wherein the protecting cover is of a stainless steel.  
   
   
       17 . The washing machine according to  claim 13 , wherein the protecting cover comprises: 
 a fixing portion formed curved from an upper portion of the protecting cover to be inserted into an upper end portion of the inner end of the net;    a coupling portion formed curved from the upper portion of the protecting cover and inserted into a lower end portion of the inner end of the net; and    an insertion end portion formed gently curved from a lower end portion of the protecting cover to allow the coupling portion to be easily inserted in the inner end of the net.    
   
   
       18 . The washing machine according to  claim 13 , wherein the tube cover guides the washing water rising along the inner circumference of the outer tub to the inside of the rotational tub.  
   
   
       19 . The washing machine according to  claim 13 , wherein the protecting cover is snap-fitted to the net.  
   
   
       20 . The washing machine according to  claim 13 , wherein the inner end of the net is provided with upper and lower hook jaws where the protecting cover is hooked.  
   
   
       21 . The washing machine according to  claim 13 , wherein the inner end of the net is provided at one or more sides thereof with two adjacent hook jaws to support an end of the protecting cover inserted.  
   
   
       22 . A washing machine comprising: 
 an outer tub;    a tub cover formed on an upper portion of the outer tub; and    a net formed inwardly extending from an inner circumference of the tub cover and having a plurality of passing holes, for preventing laundry from rising while allowing washing water to pass through the passing holes.